Isticmaalayaal badan ayaa si dhif ah u fiiro gaar ah u leh dhibaatada heerkulka jelka hydroxypropyl methyl cellulose HPMC. Maalmahan, hydroxypropyl methyl cellulose HPMC guud ahaan waxaa lagu kala saaraa viscosity, laakiin deegaanno gaar ah iyo warshado gaar ah, kaliya viscosity-ga badeecada ayaa ka muuqda. Kuma filna, kan soo socdaa wuxuu si kooban u soo bandhigayaa heerkulka jelka hydroxypropyl methylcellulose HPMC.
Tirada kooxda methoxy waxay si toos ah ula xiriirtaa heerka etherification-ka ee cellulose ether. Tirada kooxda methoxy waxaa lagu hagaajin karaa iyadoo la xakameynayo qaacidada, heerkulka falcelinta iyo waqtiga falcelinta. Isla mar ahaantaana, heerka etherification-ku wuxuu saameeyaa heerka beddelka hydroxyethyl ama hydroxypropyl. Sidaa darteed, haynta biyaha ee cellulose ether oo leh heerkul sare oo jel ah guud ahaan waa wax yar ka sii daran. Habkan wax soo saarka waa in la sahamiyaa, markaa ma aha sababtoo ah maadada methoxy waa mid hooseysa, qiimaha cellulose ether waa mid hooseeya, liddi ku ah, qiimuhu wuu ka sarreyn doonaa.
QUALICELL's hydroxypropyl methyl cellulose HPMC hydroxypropyl waa 25%. Heerkulka jelku waa qodob muhiim u ah isticmaalka ether cellulose. Marka heerkulka deegaanku ka bato heerkulka jelka, ether cellulose ayaa ka soo bixi doona biyaha oo waayi doona haysashada biyaha. Heerkulka jelka ether cellulose ee Qualicell waa 65 darajo, kaas oo asal ahaan dabooli kara baahiyaha deegaanka isticmaalka hoobiyaha iyo putty (marka laga reebo deegaan gaar ah). Haddii aad iibsato QualiCell HPMC, fadlan horay u soo sheeg haddii aad leedahay shuruudo gaar ah.
Waqtiga boostada: Jan-06-2022